parallel_stop_svc.ps1

# parallel_stop_svc.ps1
#
# A PowerShell script to stop a windows service on many target computers in parallel
# For example: Stopping IIS service on all servers in your web farm
#
# sjnovick 2016
#

# Unloads the workflow / module "stopsvc" from the below file.
#rmo .\workflow-parallel_stop_service.ps1

# Loads the workflow / module "stopsvc" from the below file.
#ipmo .\workflow-parallel_stop_service.ps1

workflow stopsvc {

    param(
            [string[]]$computers,
            [string[]]$services
         )
   
    foreach -parallel ($computer in $computers) {

    Stop-Service  -PSComputerName $computer -Name $services -InformationAction $InformationAction

  }

}

# Calls the "stopsvc" workflow / module, requires at least one computer and at least one service.
# Will accept multiple computers and multiple services. Use a comma delimited list, no parantheses, quotes, etc. required.
stopsvc -computers www1.sjno.net,www2.sjno.net,www3.sjno.net,www4.sjno.net,www5.sjno.net,www6.sjno.net -services w3logsvc